Questions tagged [vswitch]

Hyper-V's (internal or External) Virtual Switch

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Virtuelle Switches on Hyper-V

I have a test environment in which I want to simulate 3 locations with their own DC but the same domain. All 3 locations have their own subnet, say (x.x.1.x & x.x.2.x & x.x.3.x). I have ...
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ESXi network behavior host losing connection to LAN

I have an esxi host with 2 virtual machine, if i switch on both VMs my host loses connectivity to the LAN but sill pinglable from the VMs. If i switch off one of the VMs, my Host is pingable from LAN ...
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188 views

Bridging two (a physical ethernet with a virtual ethernet) different subnets on linux?

I am thinking if it's possible to create a bridge while allowing each bridged network to exist in it's own subnet. Network 1 - Say, I have a physical ethernet based network eth01 - with subnet 192....
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1answer
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In virtual networking, how does a Virtual Switch differ from a linux kernel bridge?

I have seen that in virtual networking, guest VMs/containers can be connected with host and internet either by using kernel bridges(linux) or Virtual Switches. Example - Bridges docker uses linux ...
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Hyper-V virtual switch experiment

I recently learned that windows generally, server 2016 in my case can make use of the hyper-v virtual switch on the host machine as a way to tap into different vlan's. I have a repurposed gigabyte ...
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1answer
90 views

Send VM Traffic through Palo Alto Firewall in ESXi

I have a Palo Alto VM Series Firewall that I've spun up in an ESXi 6.0 box. How can I have the PAN act as a transparent firewall to all VM's on the box? I was expecting that I could use two ...
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How can I pass DHCP request via router from ESXI virtual switch?

I have 3 servers PFSENSE server which has 4 interfaces: WAN LAN – 10.0.0.0/24 Servers (vlan) - 10.0.1.0/24, VLAN tag 1 DMZ (vlan) - 192.168.1.1/24, VLAN tag 2 ESXI server which has 1 NIC and ...
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CentOS 7.x KVM Only Access to NIC/Bridge/Bond

I am trying to set up a CentOS 7.x host with multiple KVM clients in the following way: NIC 1 (eth0, bond0, etc.) cannot be used by the host but can be used by multiple KVM clients NIC 2 (eth1, bond1,...
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1answer
1k views

Hyper-V server 2019 – Internet not working for Guest VM

I’m trying something apparently very simple, and I reviewed former posts for 2 days about the subject without success: Setup a Hyper-V Server 2019 On that server, install a Gen-2 guest Virtual ...
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Hyper-V same host VM to VM communication

I am trying to get a concrete confirmation with supporting documentation on how vms communicate to each other if residing on the same host. From what I have read on multiple threads: 'VM's will not ...
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1answer
181 views

How to create IPv6 port group on vSwitch VMware ESXi 6.5

I was wondering how to create a IPv6 port group on a vSwitch in ESXi 6.5. I have IPV6 enabled on all the hosts in my cluster, and when creating the port group it does not ask me if it is IPv6 or not. ...
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108 views

VMWare & VLANs - why am I able to access one VM but not another?

I have two virtual machines on a VMWare ESXi server - a Sophos Firewall and a Windows Server. On the LAN side of my network, I have a bunch of devices and a Cisco ATA connected to a real switch. This ...
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457 views

Where do all the little vEthernet (Default Switch) come from?

Potentially related to this question or that one, I currently have 16 "vEthernet (Default Switch)"es around ("Standardswitch" in German, though I doubt l10n has anything to do with this). All but one ...
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1answer
67 views

link aggregation between vSwitch and physical switch?

Simple use case: one ESXi host installed on a physical server with two 1G NICs, both connected to one ToR physical L3 switch. The ESXi host has one vSwitch with both NICs as active uplinks, for ...
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OpenStack Hyper-V vSwitch not being selected

I'm updating this, as the original did not get much support. And, I'm not seeing that error anymore since restarting with a fresh install using packstack. To help try to "help you, help me." I am ...
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1answer
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Creating a virtual switch between two VMs, without a physical uplink, in VMware ESXi/vSphere

I am trying to create a virtual switch in VMware ESXi 6.7.0, to be used only for communicating between two virtual machines. I created the switch without an uplink and added it to two machines. In ...
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1answer
2k views

ESXi VMs randomly lose network on reboot; only resolution to pull NICs and reassign new NIC driver with static MAC

We have one ESXi server (HP-ESXi-6.0.0 build-2492585) that has multiple VMs on it that have exhibited the following behavior: When the VM is rebooted it will occasionally just lose all network ...
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1answer
15k views

IP to access Hyper-V host on Default Switch?

As we know, with Fall Creators update Microsoft added so-called Default Switch, an out-of-the-box type of switch which simplifies networking and combine features of internal and external switches. ...
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355 views

Single vSwitch, multiple physical NICs, no way to team - is this possible?

I have two Hyper-V hosts connected to a single* ASA5505 appliance that does switching and routing for them and various VMs on those hypervisors. Now, as the traffic increases, the ASA became the ...
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1answer
937 views

Display Hyper-V vSwitch configuration in Powershell

Is there a way to display the full settings of a specific Hyper-V vSwitch using Powershell? I'm trying to configure port-mirroring from the vSwitch to the Destination vNIC on a VM and so I've set the ...
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3answers
212 views

Can NICs/vSwitches be 'shared' on a Hyper-V 2016 host?

I've been reading documentation until my vision is blurred. I'm sure this has a simple solution, but all the docs I'm finding go into excruciating detail on how to set something up—nothing on whether ...
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446 views

How to expose a virtual subnet to a physical NIC?

I've created a NAT switch on my Hyper-V host (host range 192.168.2.0/24), as described here. It works well, and I've got an old PDC running in its own subnet (subnet range 10.10.10.0/8). Problem: ...
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515 views

No Internet Access in VMWare VM and specific VLAN

I have a VM that was in a VLAN (3) and has a static IP address. Yesterday i could not connect via rdp and found out that it lost its connection. Things I tried first: Disable / Enable Network Adapter ...
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827 views

Why does Hyper-V not enable this VMSwitchExtension?

The long and short of it is: PS C:\WINDOWS\system32> Get-VMSwitch vSwitch Name SwitchType NetAdapterInterfaceDescription ---- ---------- ------------------------------ vSwitch External ...
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3k views

Unidentified Network on Hyper V External Switch

I'm trying to install Windows Server 2012 R2 DataCenter on Hyper-V Windows 8.1. I've enabled Hyper-V Virtualization from BIOS/UEFI and installed Server 2012 R2 with no issues at all. But now when I ...
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1answer
169 views

Separate VMWare ESXi monitored by one Security Onion instance - possible?

I'm running multiple VMWare ESXi (free) instances installed on blade system. Is there any possibility to monitor this multiple instances (which are not using any distributed vswitch - each has its own)...
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16k views

ESXi network setup for VMs which connect to the Internet through PfSense [closed]

Using ESXi v6 with the following setup: One standard Switch: vSwitch0 vSwitch0 has one uplink physical adapter (Internet connected, and this is the only physical adapter) vSwitch0 VM Network has 3 ...
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2answers
10k views

Hyper-V guest doesn't see the internet through external virtual switch

I have a Windows Server 2012 R2 Essentials host with 1 NIC and I installed a Hyper-V guest of the same type (Windows Server 2012 R2 Essentials). I added an external virtual switch (allowing management ...
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635 views

Remove hyper-v virtual switch extensions adapters from device manager

After reading the solution to this question I still cannot solve my problem. In my device manager I still see this virtual switch, but it's not present in my hyper-v manager and using the powershell ...
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2answers
197 views

Guest VMs cant reach each other on Different ESXi Servers

I have two vSphere EXSI 6 servers both setup with the same vSwitchs and connected to the same physical switches Server 1: eth0 => vlan143 (mapped to CORE/Management vSwitch) eht1 => vlan140 (...
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1answer
78 views

How to subnet in virtual SMB networks

I'm setting up a Server 2012 R2 with Hyper-V role in a typically SMB environment (virtualized DC and Exchange on one single Host). Before, in the SBS times, there usually was one physical server, a ...
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2answers
41 views

Finding/Setting vSwitch for Ethernet Adapter

I have a virtualization host (could be either VSphere or SCVVM) that has four NICs, two 1 gbps and two 10 gbps. This machine hosts a VM on two vSwitches with unique names (such as vSwitch0 and ...
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1answer
191 views

Is there any ways to route ESXi vSwitch via another vSwitch?

Due to specific terms of service provider I need a solution for the following problem. I have two hosts with a LAN port group for the VM's. Hosts are connected to each other with RPN network. I can't ...
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1answer
2k views

VMWare ESXI vNetworking - vSwitches bridged by multiple multiple Layer 2 bridge hosts

I want to create a multi-VM pfsense cluster ESXI. For those that are not familiar with pfsense, consider it a Free BSD based router/switch (with many features on top of it, but not necessary for this ...
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Can a virtual switch be depatched?

Is it possible to depatch a virtual switch; And is there any point to doing so on a virtual switch?
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3k views

Hyper-V 2012 R2 creates multiple vEthernet adapters

on our Windows 2012 R2 Hyper-V Free server, which will host the VM now running on an ESXi, I messed up launching twice the Add-VMNetworkAdapter cmdlet. These are the steps I took: create a ...
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1answer
1k views

Do ESXi vSwitches have their own mac address?

I'm in the process of trying to decommission a few subnets which are believed to be no longer in use. When I query the mac address table on the physical switch for the vlans associated with these ...
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2answers
7k views

Creating a bridged network in ESXi VSphere using VSphere client

I'm new to ESXi and i'm trying to configure a small server of guest machines, each running windows 7 starter. my goal is to let the workers connect to the ESXi server, get a windows "computer" and be ...
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2answers
5k views

How to configure NIC teaming on free VMWare ESXi 5.5?

There are articles online that describe this process for paid version of ESXi via VDS. My understanding is that VDS is not available on free ESXi version. We, however, do not need fully blown HA on ...
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1answer
660 views

Virtual network - tracert to local vm results in over 255 hops [closed]

Why does my tracert take over a maximum of 255 hops, when both vm's are on the same local network, hosted on my laptop? I have a laptop which is connected to my home router via wireless lan with ...
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1answer
1k views

How to remove a VLAN tag from a VSwitch (VSW) in LDom OVM SPARC

I have a OVM SPARC 3.x server and one of its switches is set with a vlan tag. In the example below the VSW has a VID of 200. How do I remove the tag? I cannot remove the vswitch, as other guests are ...
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1answer
670 views

Prevent Guests in same vSwitch talking to one another

Long story short. I would like to prevent guests in the same vSwitch from communicating to one another. I am at a loss as to how to make this happen. Any ideas please? I have been reading on ...
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2answers
4k views

VMware two vSwitches Guests can't communicate between them

I have some servers in this configuration: (complete configuration) And I am not able, from VMGuest1, to ping either VMGuest3 or VMGuest4. I can, however, ping Host1 and Host2, which are attached to ...
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3answers
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Link aggregation in ESXi 5.5 [closed]

I have a virtual machine on my ESXi server with Ubuntu installed on it. The server has 4 1Gb/s ports that I want to use them all for my virtual machine. An obvious (yet kinda stupid) way would be ...
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1answer
378 views

VMWare - Connecting two hosts (not physically connected) via a vSwitch

I have an esxi 5.5 host in Chicago and Dallas. Both servers are controlled by my vcenter server. I have a MySQL server in chicago that is accessed through an internal only vswitch from the servers on ...
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1answer
3k views

Promiscous mode on vmware workstation

I am trying to do the network setup in the openstack configuration on 3 Ubuntu vm with vmware workstation, but in order to work I get the following indication : If you are building your OpenStack ...
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2answers
6k views

How do I give label to vSwitches on VMWare?

I've searched extensively trying to name the vSwitches that I create, but all I can name them are "vSwitchX" where x= some number. How do I give these switches names? I'm using the Web Client. Thanks!...
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1answer
603 views

Emulate VMware vswitch on KVM [duplicate]

I'm wondering how I would go about emulating how a standard vswitch works in KVM. In VMware you have the following: vmnic -> vswitch(tagged) -> port group (untagged) So all traffic going to the ...
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1answer
611 views

Automating Configuration of VMware's vSwitch (OpenStack/libvirt/Nova)

There's a lot of talk now about VMware integrating with OpenStack now. I've noticed that Nova network service is working with VMware's standard and vDS. Deploying a full OpenStack instance is not ...
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1answer
328 views

Esx 5.5 how to link vswitch1 with vswitch0?

I am not so good in virtual networking. The problem that I'm facing now is, I have 2 vswitches, vswitch1 and vswitch0. Vswitch0 has internet access and public ip. Vswitch1 has no adapter and has been ...